No football team goes far without a good all-around team, play-makers are needed on both sides of the football.
With that said, look at nearly each and every team that wins the Super Bowl or the National Championship, they all share one thing in common: a great offensive line.
Quarterback play will be crucial for the 2018 Michigan Wolverines. A quarterback makes or breaks a team more often than not, but without a good offensive line to protect the QB and open holes in the run game, an offense will likely be mediocre at best.